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APG-115

Names

[ CAS No. ]:
1818393-16-6

[ Name ]:
APG-115

[Synonym ]:
Bicyclo[2.2.2]octane-1-carboxylic acid, 4-[[[(3'R,4'S,5'R)-6''-chloro-4'-(3-chloro-2-fluorophenyl)-1'-ethyl-1'',2''-dihydro-2''-oxodispiro[cyclohexane-1,2'-pyrrolidine-3',3''-[3H]indol]-5'-yl]carbonyl]amino]-
15QAU0SI9J

Biological Activity

[Description]:

APG-115 (AA-115) is an orally active MDM2 protein inhibitor binding to MDM2 protein with IC50 and Ki values of 3.8 nM and 1 nM, respectively[1]. APG-115 blocks the interaction of MDM2 and p53 and induces cell-cycle arrest and apoptosis in a p53-dependent manner[2][3].

[Related Catalog]:

Research Areas >> Cancer
Signaling Pathways >> Apoptosis >> MDM-2/p53
Signaling Pathways >> Autophagy >> Autophagy

[Target]

IC50: 3.8 nm (APG-115)[1]


[In Vitro]

APG-115 (0.001-100 μM; 72 hours) inhibits cell proliferation in concentration-dependent manner, with IC50s of 18.9 ± 15.6 nM and 103.5 ± 18.3 nM respectively in AGS and MKN45 cells[3]. APG-115 (0.02 μM, 0.2 μM; 48 hours) enhances the anti-proliferative effect of radiotherapy at different radiation dose[3]. APG-115 (0.02 μM, 0.2 μM; 48 hours) affects progression by inducing cells arrested at G0/G1 phase in AGS and MKN45 cell with wild p53[3]. APG-115 (0.02 μM, 0.2 μM; 24 hours) activates p53 to enhance radiosensitivity in AGS and MKN45 cells; stable knockout of p53 abrogates expression of MDM2, p53, p21, PUMA, BAX, Cleaved-caspase3, γH2AX[3]. APG-115 (0.3 μM, 1 μM, 3 μM, 10 μM; 24 hours) leads to a concentration-dependent cell cycle arrest in G2/M phases and a decreasing in S-phase in p53 wide-type cell lines (TPC-1, KTC-1)[4]. Cell Proliferation Assay[3] Cell Line: AGS and MKN45 cells Concentration: 0.0001 μM, 0.001 μM, 0.01 μM, 0.1 μM, 1 μM, 10 μM, 100 μM Incubation Time: 72 hours Result: Inhibited cell proliferation in a concentration-dependent manner. RT-PCR[3] Cell Line: AGS and MKN45 cells Concentration: 0.02 μM, 0.2 μM Incubation Time: 48 hours Result: Elevated MDM2, p21, PUMA and BAX mRNA expression. Cell Cycle Analysis[3] Cell Line: AGS and MKN45 cells Concentration: 0.02 μM, 0.2 μM Incubation Time: 48 hours Result: Arrested cells at G0/G1 phase. Western Blot Analysis[3] Cell Line: AGS and MKN45 cells Concentration: 0.2 μM Incubation Time: 72 hours Result: Enhanced expressions of MDM2 and p53, stable knockout of p53 abrogated them. Apoptosis Analysis[4] Cell Line: DePTC p53 wide-type cell line: TPC-1 cells, KTC-1 cells Concentration: 0.3μM, 1μM, 3μM, 10 μM Incubation Time: 24 hours Result: Reduced cell population in S-phase, whereas accumulation of cells at G2/M phases.

[In Vivo]

APG-115 (Delivered orally; 100 mg/kg; once daily; 10 days) enhances radiation antitumor effect in gastric adenocarcinoma in vivo[3]. Animal Model: Four-week-old male BALB/c athymic nude mice with MKN45 cells[3] Dosage: 100 mg/kg Administration: Deliverer orally; once daily; 10 days Result: Decreased xenograft tumor growth.

[References]

[1]. Angelo Aguilar, et al. 4-((3′R,4′S,5′R)-6″-Chloro-4′-(3-chloro-2-fluorophenyl)-1′-ethyl-2″-oxodispiro[cyclohexane-1,2′-pyrrolidine-3′,3″-indoline]-5′-carboxamido)bicyclo[2.2.2]octane-1-carboxylic Acid (AA-115/APG-115): A Potent and Orally Active Murine Double Minute 2 (MDM2) Inhibitor in Clinical Development. J Med Chem. 2017 Apr 13; 60(7): 2819–2839.

[2]. A W Tolcher et al, A phase Ib/II study of APG-115 in combination with pembrolizumab in patients with unresectable or metastatic melanomas or advanced solid tumors, Ann Oncol. 2019 Feb 1; 30(Supplement_1). pii: mdz027.

[3]. Hanjie Yi ea al, A novel small molecule inhibitor of MDM2-p53 (APG-115) enhances radiosensitivity of gastric adenocarcinoma, J Exp Clin Cancer Res. 2018 May 2;37(1):97.

[4]. Chen H, et al. Restoration of p53 using the novel MDM2-p53 antagonist APG115 suppresses dedifferentiated papillary thyroid cancer cells. Oncotarget. 2017 Jun 27;8(26):43008-43022.

Chemical & Physical Properties

[ Density]:
1.4±0.1 g/cm3

[ Boiling Point ]:
805.8±65.0 °C at 760 mmHg

[ Molecular Formula ]:
C34H38Cl2FN3O4

[ Molecular Weight ]:
642.588

[ Flash Point ]:
441.1±34.3 °C

[ Exact Mass ]:
641.222351

[ LogP ]:
7.63

[ Vapour Pressure ]:
0.0±3.0 mmHg at 25°C

[ Index of Refraction ]:
1.658


Related Compounds